“A型、D型、O型”锅炉是指（）
A.锅炉的外形与这些字母相像
B.锅筒形状像这些字母
C.锅筒与管束等的布置形状
D.炉膛的形状
参考答案：C
_________ people were found ________ after the big earthquake.
A．A number of; died
B．The number of; died
C．A number of; dead
D．The number of; dead
低钾血症出现软瘫的顺序是
A．四肢肌、躯干肌、呼吸肌
B．四肢肌、呼吸肌、躯干肌
C．躯干肌、呼吸肌、四肢肌
D．躯干肌、四肢肌、呼吸肌
E．呼吸肌、四肢肌、躯干肌
